import Crypto from 'crypto-js'

/**
 *
 * @param {string} str
 * @returns {Boolean}
 */
export function validUsername(str) {
    // for debug
    // test username field is legal
    return true
}

export function isExternal(path) {
    return /^(https?:\/\/|mailto:|tel:|http:\/\/)/.test(path)
}

export function md5(preStr) {
    return Crypto.MD5(preStr).toString();
}
